Flush-tank



(No Model.)

J. T. MODONOUGH & T. 8; J. MICHEL.

PLUSH TANK.

No. 493,281. Patented Mar. 14, 1893.

iNVENTDR f w mom.

UNITED STATES. PATENT OFFICE.

JAMES THOMAS MODONOUGH, THEODORE MICHEL, AND JOSEPH MICHEL, OF ST. PAUL, MINNESOTA.

FLUSH-TAN K.

SPECIFICATION forming part of Letters Patent No. 493,281, dated March 14, 1893.

Application filed October 13, 1891. Serial No. 408.569. (No model.)

To all whom it may concern: chain 19 secured to itsupper end, and passing Be it known that we, JAMES THOMAS MO- over pulleys con the upper edges of the tank. DONOUGH, THEODORE MICHEL, and JOSEPH A suitable handle e is secured to the free end MICHEL, citizens of the United States, and of the chain b for convenience in operating.

residents ofthe city of St.Paul,countyofRam- The operation of our device is as follows:

sey, State of Minnesota, have invented cer- We will suppose both tanks empty and the tain new and useful Improvements in Flushball-float F down. Water is turned into the Tanks, of which the following is a specificainflow pipe and passes through the cock 0 tion. filling the main tank to the height of the to Our invention relates to that class of flush walls of the secondary tank D. As the water tanks wherein a float is used to regulate the in the main tank rises, it will enter the short inflow of water, and our object is to produce arm of the siphon a and as it continues to a more prompt, durable and efficient device rise will force the air therefrom and be drawn by providing superior means which will alinto the secondary tank D. The flap-valve I 5 low the inlet valve to remain wide open un- B is held closed by the pressure of the water til the tank is full and to completely and during the inflow into the main tank, and positively close it after the tank has filled. when the water has risen to the top of the IVith these objects in view, our invention siphon it overflows through the latter into consists in the peculiar features of constructhe secondary tank D, which rapidly filling,

20 tion and combinations of parts as will be lifts the fioatF andcloses the cock 0, through more fully described hereinafter and pointed the medium of the rod j. This rod is conout in the claim. nected to the valve in such a manner as to In the accompanying drawings: Figure 1 arrest the upward movement of the float he represents a top plan view of our invention. fore the water in the secondary tank rises to 25 Fig. 2 is a longitudinal section on line xac, the level of the water in the main tank, there- Fig. 1. Fig. 3, a vertical section on line y-y, by causing the water in the secondary tank Fig.1. to envelop the float and exert greater and The reference letter A represents an ordimore positive power upon it than if the parts nary flush tankbeingoblongin form. In oron were timed to close the cock at the moment 0 the lower corners is builtasmaller or secondof equilibrium. In other words, the float 8o ary tank D, the walls thereof being about twocloses the inlet cock 0 before the water in thirds as high as the wall of the main tank A. the secondary tank reaches its level, and the Oountersunk in the top of one of the walls of water continuing to rise partially submerges the secondary tank, is asiphon a, the arm exit. WVhen both tanks are thus filled a pull 5 tending into the secondary tank D being upon the handle 6 of thechain b will lift the longer than the opposite arm, whereby water gravity valve I and allow the water in both can be drawn from the ,main tank into the tanks to discharge through the pipef. The secondary tank. T0 the outer wall of the passage of the water out of the main tank secondary tank, and near the bottom thereof, liberates the flap-valve B and allows the wa- 40 is a flap valve or gage B, its seat- 9 slanting ter in the secondary tank to flow out. The 9c diagonally in relation to the wall of the tank. withdrawal of the Water from the secondary The object of this will be described later. tank causes the float to drop and open wide Supported in the tank by a bent rod 3', is a the cock O, thereby quickly refilling the main hall-float F, and the opposite end of the rod tank. The advantage of this construction is 5 is secured to a vertically movable plungerin that, by reason of the complete opening of 5 a cock C, said cock being of any well known the inlet cock during the filling operation the design. tank fills much more rapidly and the Valve In the center of and extending through the lasts much longer than in those wherein the bottom of the tank A, is a flush pipe f, being float gradually rises and gradually closes the 50 closed bya gravity valve I, actuated by a inlet opening. we

Having thus described our inventionywhat allowed to completely fill before the float is we claim as new, and desire to secure by Letlifted, as and for the purpose set forth. ters Patent, is- Signed at St. Paul, in the county of Ram- A flush tank provided with a secondary sey and State of Minnesota, this 14th day of r 5 5 tank, in combination with a siphon connect- September, A. D. 1891.

ing the two, the long leg of the siphon being JAMES THOMAS MCDONOUGH. located in the secondary tank, a float oper- THEODORE MICHEL. ating within the secondary tank and con- JOSEPH MICHEL. neoted to actuate a valve in the main tank, Witnesses: 10 and a valved opening between the main and THOMAS H. GOODWIN,

secondary tanks, whereby the main tank is JOHN MCKEAN. 

